12256543262156 has 48 divisors (see below), whose sum is σ = 24138048130560. Its totient is φ = 5411166716160.

The previous prime is 12256543262027. The next prime is 12256543262179. The reversal of 12256543262156 is 65126234565221.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45917840 + ... + 46183991.

It is an arithmetic number, because the mean of its divisors is an integer number (502876002720).

Almost surely, 2^{12256543262156} is an apocalyptic number.

It is an amenable number.

12256543262156 is a deficient number, since it is larger than the sum of its proper divisors (11881504868404).

12256543262156 is a wasteful number, since it uses less digits than its factorization.

12256543262156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92101974 (or 92101972 counting only the distinct ones).

The product of its digits is 5184000, while the sum is 50.

The spelling of 12256543262156 in words is "twelve trillion, two hundred fifty-six billion, five hundred forty-three million, two hundred sixty-two thousand, one hundred fifty-six".